Chemical Name: Febuxostat Bromo Impurity ; 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid ;
Synonym: ((1aS,8S,8aR,8bS)-6-amino-8a-methoxy-5-methyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazirino[2',3':3,4]pyrrolo[1,2-a]indol-8-yl)methyl carbamate